🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 12.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.59 AU - 0.79 AU

Year: 370 Days

Day: 5.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,900,368 km

• M1: 157,975 km (0.079 R)
• M2: 658,231 km (0.089 R)
• M3: 1,054,067 km (0.119 R)
• M4: 2,152,115 km (0.118 R)
• M5: 2,549,447 km (0.097 R)
• M6: 3,025,767 km (0.038 R)
• M7: 3,594,986 km (0.112 R)
• M8: 4,336,094 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 12.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.68 AU - 0.76 AU

Year: 394 Days

Day: 10.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,900,368 km

• M1: 150,495 km (0.047 R)
• M2: 547,229 km (0.083 R)
• M3: 1,046,437 km (0.077 R)
• M4: 1,600,847 km (0.12 R)
• M5: 2,430,217 km (0.093 R)
• M6: 3,700,752 km (0.117 R)
• M7: 5,163,670 km (0.115 R)
• M8: 5,877,252 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 9.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.47 AU - 1.59 AU

Year: 1222 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,900,368 km

• M1: 122,670 km (0.042 R)
• M2: 566,378 km (0.107 R)
• M3: 1,071,869 km (0.083 R)
• M4: 1,538,913 km (0.082 R)
• M5: 2,169,319 km (0.115 R)
• M6: 2,627,238 km (0.103 R)
• M7: 3,861,719 km (0.096 R)
• M8: 4,416,877 km (0.092 R)
• M9: 5,024,544 km (0.098 R)
• M10: 5,329,275 km (0.1 R)
• M11: 5,666,618 km (0.112 R)
• M12: 6,834,229 km (0.086 R)
• M13: 7,401,803 km (0.057 R)
• M14: 8,259,448 km (0.09 R)
• M15: 9,097,795 km (0.077 R)
• M16: 9,494,678 km (0.078 R)
• M17: 9,902,930 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 10.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.7 AU - 3.82 AU

Year: 4708 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,900,368 km

• M1: 130,449 km (0.07 R)
• M2: 451,935 km (0.087 R)
• M3: 789,727 km (0.103 R)
• M4: 1,189,453 km (0.052 R)
• M5: 2,165,728 km (0.108 R)
• M6: 2,530,448 km (0.11 R)
• M7: 3,781,535 km (0.051 R)
• M8: 4,943,910 km (0.101 R)
• M9: 5,607,676 km (0.116 R)
• M10: 6,555,528 km (0.105 R)
• M11: 9,516,818 km (0.109 R)
• M12: 10,622,646 km (0.036 R)
• M13: 11,309,599 km (0.106 R)
• M14: 17,301,443 km (0.115 R)
• M15: 20,750,421 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.3

Radius: 10.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.43 AU - 4.89 AU

Year: 6495 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,900,368 km

• M1: 129,402 km (0.109 R)
• M2: 524,191 km (0.102 R)
• M3: 887,564 km (0.057 R)
• M4: 2,015,981 km (0.092 R)
• M5: 4,053,055 km (0.106 R)
• M6: 4,465,646 km (0.106 R)
• M7: 4,982,507 km (0.092 R)
• M8: 6,435,700 km (0.103 R)
• M9: 7,629,342 km (0.107 R)
• M10: 8,153,234 km (0.034 R)
• M11: 9,668,361 km (0.062 R)
• M12: 11,633,329 km (0.12 R)
• M13: 12,375,334 km (0.093 R)
• M14: 12,806,326 km (0.077 R)
• M15: 17,625,472 km (0.025 R)
• M16: 18,355,958 km (0.111 R)
• M17: 18,728,905 km (0.095 R)
• M18: 19,683,041 km (0.047 R)
• M19: 20,469,477 km (0.116 R)
• M20: 21,481,805 km (0.094 R)
• M21: 22,597,955 km (0.108 R)
• M22: 24,870,197 km (0.097 R)
• M23: 25,403,514 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.5

Radius: 7.5

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.14 AU - 7.16 AU

Year: 9848 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,900,368 km

• M1: 93,499 km (0.052 R)
• M2: 342,430 km (0.11 R)
• M3: 1,002,007 km (0.106 R)
• M4: 1,238,970 km (0.11 R)
• M5: 1,609,823 km (0.03 R)
• M6: 2,103,346 km (0.119 R)
• M7: 2,349,135 km (0.069 R)
• M8: 2,673,613 km (0.081 R)
• M9: 3,389,738 km (0.041 R)
• M10: 4,038,843 km (0.115 R)
• M11: 5,322,543 km (0.06 R)
• M12: 6,304,952 km (0.115 R)
• M13: 7,088,246 km (0.088 R)
• M14: 8,712,730 km (0.058 R)
• M15: 9,398,935 km (0.116 R)
• M16: 9,827,533 km (0.09 R)
• M17: 11,782,927 km (0.097 R)
• M18: 14,045,295 km (0.112 R)
• M19: 15,507,166 km (0.054 R)
• M20: 20,104,757 km (0.099 R)
• M21: 21,057,396 km (0.084 R)
• M22: 22,123,281 km (0.111 R)
• M23: 23,138,602 km (0.076 R)
• M24: 25,170,889 km (0.061 R)
• M25: 30,095,950 km (0.107 R)
• M26: 31,658,350 km (0.055 R)
• M27: 32,729,471 km (0.034 R)
• M28: 34,830,872 km (0.109 R)
• M29: 35,284,453 km (0.114 R)
• M30: 35,856,964 km (0.117 R)
• M31: 37,611,597 km (0.078 R)
• M32: 39,915,554 km (0.066 R)
• M33: 40,662,197 km (0.109 R)
• M34: 42,698,673 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.2

Radius: 3

Gravity: 35.13 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.06 AU - 11.04 AU

Year: 22126 Days

Day: 19.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,900,368 km

• M1: 42,336 km (0.063 R)
• M2: 172,187 km (0.111 R)
• M3: 276,008 km (0.037 R)
• M4: 397,781 km (0.05 R)
• M5: 563,236 km (0.062 R)
• M6: 1,007,841 km (0.077 R)
• M7: 1,129,464 km (0.104 R)
• M8: 1,260,960 km (0.106 R)
• M9: 1,768,845 km (0.09 R)
• M10: 1,910,066 km (0.087 R)
• M11: 2,155,705 km (0.101 R)
• M12: 2,464,775 km (0.113 R)
• M13: 2,618,711 km (0.112 R)
• M14: 3,044,167 km (0.114 R)
• M15: 3,144,697 km (0.054 R)
• M16: 3,794,999 km (0.08 R)
• M17: 3,911,536 km (0.072 R)
• M18: 5,070,321 km (0.091 R)
• M19: 6,689,718 km (0.086 R)
• M20: 7,387,891 km (0.094 R)
• M21: 7,661,805 km (0.095 R)
• M22: 8,876,390 km (0.098 R)
• M23: 13,279,055 km (0.086 R)
• M24: 17,702,514 km (0.109 R)
• M25: 18,775,430 km (0.086 R)
• M26: 19,284,811 km (0.117 R)
• M27: 19,543,017 km (0.119 R)
• M28: 21,415,085 km (0.119 R)
• M29: 22,727,357 km (0.085 R)
• M30: 28,960,652 km (0.052 R)
• M31: 32,708,378 km (0.066 R)
• M32: 35,464,419 km (0.083 R)
• M33: 41,006,123 km (0.083 R)
• M34: 46,170,690 km (0.086 R)
• M35: 47,722,170 km (0.103 R)
• M36: 50,438,717 km (0.097 R)
• M37: 51,256,868 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 12,641 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit